993547045868 has 24 divisors (see below), whose sum is σ = 1872483553920. Its totient is φ = 458552949120.

The previous prime is 993547045867. The next prime is 993547045873. The reversal of 993547045868 is 868540745399.

993547045868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 993547045798 and 993547045807.

It is not an unprimeable number, because it can be changed into a prime (993547045861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4622288 + ... + 4832456.

It is an arithmetic number, because the mean of its divisors is an integer number (78020148080).

Almost surely, 2^993547045868 is an apocalyptic number.

It is an amenable number.

993547045868 is a deficient number, since it is larger than the sum of its proper divisors (878936508052).

993547045868 is a wasteful number, since it uses less digits than its factorization.

993547045868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301097 (or 301095 counting only the distinct ones).

The product of its (nonzero) digits is 261273600, while the sum is 68.

The spelling of 993547045868 in words is "nine hundred ninety-three billion, five hundred forty-seven million, forty-five thousand, eight hundred sixty-eight".